Self-propelled trolley for suspended monorail conveyers



FIG. 1 is a rear elevational view of a self-propelled trolley for suspended monorail conveyers showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a perspective view thereof. 

The ornamental design for a self-propelled trolley for suspended monorail conveyers, as shown 